Dep/MySQL: Updated MySQL sources to version 5.5.9 (current GA)

dep/mysqllite/mysys/my_symlink.c

@@ -113,14 +113,12 @@ int my_is_symlink(const char *filename __attribute__((unused)))
 #endif
 }
 
-
 /*
   Resolve all symbolic links in path
   'to' may be equal to 'filename'
 */
 
-int my_realpath(char *to, const char *filename,
-		myf MyFlags __attribute__((unused)))
+int my_realpath(char *to, const char *filename, myf MyFlags)
 {
 #if defined(HAVE_REALPATH) && !defined(HAVE_BROKEN_REALPATH)
   int result=0;
@@ -146,8 +144,24 @@ int my_realpath(char *to, const char *filename,
     result= -1;
   }
   DBUG_RETURN(result);
+#else
+#ifdef _WIN32
+  int ret= GetFullPathName(filename,FN_REFLEN,
+                           to,
+                           NULL);
+  if (ret == 0 || ret > FN_REFLEN)
+  {
+    if (ret > FN_REFLEN)
+      my_errno= ENAMETOOLONG;
+    else
+      my_errno= EACCES;
+    if (MyFlags & MY_WME)
+      my_error(EE_REALPATH, MYF(0), filename, my_errno);
+	  return -1;
+  }
 #else
   my_load_path(to, filename, NullS);
+#endif
   return 0;
 #endif
 }